10-day forecast for New Underwood, SD: 63° to 100°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Monday, August 10
86° · 1.62 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 64°0
Morning71°feels 70°
Afternoon96°feels 93°
Evening82°feels 80°
Overnight68°feels 66°
100 °
New Underwood, Monday, 10 August
Partly cloudy. High 100°, low 64°.
Pressure29.77 inHg
Wind13 mph SE
Humidity30%
Visibility6.2 mi
Dew point55°
Tue, 1194° / 64°0
Morning70°feels 70°
Afternoon92°feels 90°
Evening87°feels 85°
Overnight68°feels 68°
94 °
New Underwood, Tuesday, 11 August
Partly cloudy. High 94°, low 64°.
Pressure29.80 inHg
Wind8.3 mph E
Humidity39%
Visibility6.2 mi
Dew point58°
Wed, 1296° / 69°0.04
Morning78°feels 78°
Afternoon94°feels 92°
Evening69°feels 69°
Overnight75°feels 75°
96 °
New Underwood, Wednesday, 12 August
Light rain. High 96°, low 69°.
Pressure29.77 inHg
Wind10.3 mph SE
Humidity31%
Visibility6.2 mi
Dew point57°
Thu, 1375° / 65°0.04
Morning65°feels 65°
Afternoon69°feels 69°
Evening75°feels 75°
Overnight65°feels 65°
75 °
New Underwood, Thursday, 13 August
Light rain. High 75°, low 65°.
Pressure29.94 inHg
Wind16.2 mph SE
Humidity79%
Visibility—
Dew point60°
Fri, 1470° / 63°0.26
Morning64°feels 65°
Afternoon64°feels 65°
Evening68°feels 68°
Overnight65°feels 65°
70 °
New Underwood, Friday, 14 August
Rain. High 70°, low 63°.
Pressure29.97 inHg
Wind17.6 mph SE
Humidity92%
Visibility—
Dew point61°
Sat, 1583° / 63°0
Morning67°feels 68°
Afternoon79°feels 79°
Evening80°feels 80°
Overnight73°feels 73°
83 °
New Underwood, Saturday, 15 August
Overcast. High 83°, low 63°.
Pressure30.06 inHg
Wind12.2 mph NE
Humidity54%
Visibility—
Dew point58°
Sun, 1686° / 66°1.62
Morning73°feels 73°
Afternoon83°feels 83°
Evening75°feels 76°
Overnight66°feels 67°
86 °
New Underwood, Sunday, 16 August
Heavy rain. High 86°, low 66°.
Pressure30.09 inHg
Wind22.6 mph E
Humidity44%
Visibility—
Dew point58°
Mon, 1788° / 66°0.01
Morning73°feels 73°
Afternoon88°feels 88°
Evening85°feels 85°
Overnight75°feels 76°
88 °
New Underwood, Monday, 17 August
Light rain. High 88°, low 66°.
Pressure29.80 inHg
Wind18.2 mph S
Humidity42%
Visibility—
Dew point59°
Tue, 1892° / 73°0
Morning78°feels 76°
Afternoon89°feels 86°
Evening86°feels 83°
Overnight76°feels 75°
92 °
New Underwood, Tuesday, 18 August
Partly cloudy. High 92°, low 73°.
Pressure29.85 inHg
Wind23.6 mph NW
Humidity17%
Visibility—
Dew point37°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in New Underwood, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.